1989096052 has 12 divisors (see below), whose sum is σ = 3537982756. Its totient is φ = 978243840.

The previous prime is 1989096047. The next prime is 1989096077. The reversal of 1989096052 is 2506909891.

It can be written as a sum of positive squares in 2 ways, for example, as 900360036 + 1088736016 = 30006^2 + 32996^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1989095987 and 1989096005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4075773 + ... + 4076260.

Almost surely, 2^1989096052 is an apocalyptic number.

It is an amenable number.

1989096052 is a deficient number, since it is larger than the sum of its proper divisors (1548886704).

1989096052 is a wasteful number, since it uses less digits than its factorization.

1989096052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8152098 (or 8152096 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 1989096052 is about 44599.2830884085. The cubic root of 1989096052 is about 1257.6271905413.

The spelling of 1989096052 in words is "one billion, nine hundred eighty-nine million, ninety-six thousand, fifty-two".